Peanut brittle recipe

Ingredients 1 cup water 2 cups sugar 1 cup corn syrup , preferably light 2 cups raw peanuts 1/2 teaspoon salt 2 tablespoons butter, plus extra for pan and fingers 1 teaspoon baking soda 1/2 teaspoon vanilla (optional) Directions Mix together in a 3-quart, heavy bottom saucepan the sugar, water, corn syrup, salt, and peanuts. [...]